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You are flying to New York. You've been reading the in-flight magazine, which has an article about the physics of flying. You learned that the airflow over the wings creates a lift force that is always perpendicular to the wings. In level flight, the upward lift force exactly balances the downward weight force. The pilot comes on to say that, because of heavy traffic, the plane is going to circle the airport for a while. She says that you'll maintain a speed of 300 mph at an altitude of 20,000 ft. You start to wonder what the diameter of the plane's circle around the airport is. You notice that the pilot has banked the plane so that the wings are 10^\circ from horizontal. The safety card in the seatback pocket informs you that the plane's wing span is 250 ft.
What is the diameter of the airplane's path around the airport?
The position of an air-track cart that is oscillating on a spring is given by the equation x = 12.4 cos[(6.35 s-1)t] . At what value of t after t= 0.00s in the cart first located at x = 8.47 cm ?
a car tyre is pumped up to 230 kpa. what is the volume of air at atmospheric pressure 100kpa that must be pumped into a
The driver of a 1550 kg car, initially traveling at 12.1 m/s, applies the brakes, bringing the car to rest in a distance of 18.5 m. Find the net work done on the car
A ball of mass 0.220 kg that is moving with a speed of 6.3 m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
A 48000-kg space probe is traveling at a speed of 12000 m/s through deep space. What is the final speed of the probe
The ground state energy of a harmonically oscillating electron is 1.24 eV. How much energy should be added to the electron to move it to the second excited state.
A concave mirror (R = 82.4 cm) is used to project a transparent slide onto a wall. The slide is located at a distance of 52.3 cm from the mirror, How far from the wall should the mirror be located
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
what is the initial velocity of a silver bullet if it completely melts when striking a werewolf? the initial temperature of the bullet is 300
question1an ocean liner leaves new york city and travels 32.0deg north of east for 299 km. how far east and how far
In creating his definition of horsepower, James Watt, the inventor of the steam engine, calculated the power output of a horse operating a mill to grind grain or cut wood, Calculate the power output, in hp, of a 72-kg human being
An exhaust tube from a steam generator is submerged in a large container of cool water. what is the change of entropy (in J/deg) of the steam
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